UNUS52 | BACKPACK
The UNUS52 is an ultralight backpack designed for hiking and trekking, weighing only 740g. It features a 42L main compartment with an additional 10L of external expansion, making it ideal for lightweight travelers on 3 to 7-day journeys.
Core Fabrics |
UltraWeave™ / UltraStretch™
- Ultra™200X (Main Fabric): Made from UHMWPE fibers (similar to Dyneema), it is several times stronger than traditional nylon. Constructed with a three-layer composite structure (X-ply yarn + waterproof film), it offers lightweight durability, abrasion resistance, and tear resistance.
- Ultra™400X (Reinforced Base): Provides enhanced abrasion resistance, designed to withstand prolonged ground dragging and friction against rocks.
- UltraStretch™: A blend of UHMWPE fibers and Nylon 66, delivering high elasticity and durability.
Ergonomic Design | Comfort & Stability
- The Ultralight Composite Frame System features a dual-track aluminum alloy tube frame (22g each) for a lightweight yet sturdy structure. A carbon fiber rod enhances back panel stability, with adjustable height via the shoulder straps for an optimal fit—perfect for long-distance trekking.
- EVA High-Support Foam Padding in the shoulder straps and hip belt for enhanced comfort and weight distribution.
- Elastic Shoulder Strap Pockets for quick access to a water bottle without removing the backpack.
- X-shaped Hip Belt with an adjustable angle, ensuring a secure fit across different body types.
- UHMWPE Reflective Daisy Chain (Front Sides): Compatible with the AC-K03 bungee cord to secure trekking poles, umbrellas, ice axes, and other gear. The reflective feature enhances visibility and safety at night.
- UltraStretch™ Fabric Storage (Sides & Front): Convenient for storing rain jackets, insulation layers, water bottles, headlamps, and other frequently used items.
- Y-Strap Top Compression System: Secures items at the top of the pack with a detachable loop to prevent slipping.
Optional Accessories
- AC-B01 – Detachable Hip Belt Pocket
- AC-K03 – Elastic Cord Attachment
Key Features Summary
- Total Weight: 740g
- Constructed with UltraWeave™ / UltraStretch™ Fabrics
- Adjustable Ultralight Frame System
- Reflective Daisy Chain
- Top Y-Strap Compression System
- Quick-Access Chest Water Bottle Pocket
- X-Shaped Waist Belt Buckle
- Ice Axe Loop
Specifications
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Main Fabric: Ultra™200X in Gravel Grey Bottom: Ultra™400X in Black Pockets: UltraStretch™ / Nylon Spandex Shoulder straps & Hip Belt: 210D Nylon with UHMWPE ripstop Cord：UMHWPE+3M reflective yarn Webbing：100% Nylon |
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Frame Material |
Carbon Fiber Stay + Aluminum Alloy Tube |
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Capacity |
Main Compartment: 42L Side Pockets: 2x2L Center Pocket: 6L
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Total weight |
740g / 26oz |
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Dimensions |
Unpack Hight: 85cm Width: 29cm Depth: 18.5cm Top circumference: 98cm Bottom circumference: 83cm |
| size |
Straps(1): 15.5"/ 39.5cm Straps(2): 17"/ 43.5cm Torso: 15"~20" / 37cm~51cm |
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Recommended Comfortable Load |
12kg / 26.4lbs |
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Maximum Recommended Load |
18kg / 40lbs |
Size chart
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Straps(1) | Straps(2) |
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17"/43.5 |
A 160cm tall model uses a 15.5-inch shoulder straps.
A 168cm tall model uses a 17-inch shoulder straps.
A 188cm tall model uses a 17-inch shoulder straps.
